Escutcheon plate for an enclosure



FIG. 1 is a left front perspective view of an escutcheon plate for an enclosure showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a left side view thereof; and,

FIG. 5 is a right side view thereof.

The broken lines showing the enclosure door in FIG. 1, the knob and dial in FIGS. 1-5, and the handle in FIGS. 1, 3 and 4 are for illustrative purposes and form no part of the claimed design. 

The ornamental design for an escutcheon plate for an enclosure, as shown and described. 